LangfuseOpen Source Agent Evals & Observability
vs
Sumo LogicIntelligent operations for the AI era
Comparison · Observability · weekly run Nov 3
Langfuse vs Sumo Logic
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Sumo Logic is the stronger AI pick in Observability: it has a visibility score of 1.8 versus 1.4 for Langfuse.
Choose Langfuse if…
- You want a free plan to start
- AI answers describe it more positively (50% vs 20% positive)
- You need a self-hosted or on-premises option
- You need HIPAA-ready region coverage
Choose Sumo Logic if…
- You want the brand AI engines rank higher (1.8 vs 1.4)
- You need more native integrations (450+ vs 100+)
- You need FedRAMP Moderate Authorized or HIPAA or PCI DSS 4.0.1 or CCPA coverage
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Langfuse | Sumo Logic |
|---|---|---|
| Visibility score | 1.4% | 1.8% |
| Change vs last week | New | New |
| Rank in Observability | #27 | #25 |
| Share of voice | 0.4% | 0.9% |
| Mentions this run | 2 | 5 |
| Positive in AI answers | 50% | 20% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Langfuse 0pp · Sumo Logic 0pp over 0 weekly runs.
Engine by engine
Sumo Logic leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
LangfuseSumo Logic
Head to head in AI answers
0 engine answers name both brands
0Langfuse ranked higher
0Sumo Logic ranked higher
Features, pricing & fit
| Dimension | Langfuse | Sumo Logic |
|---|---|---|
| Pricing model | Usage-based | Usage-based |
| Entry price | Free; paid from $29 / mo | Contact sales |
| Free plan | Yes | No |
| Deployment | Langfuse Cloud in US, EU, Japan and HIPAA regions, or self-hosted under the MIT license | SaaS |
| Integrations | 100+ | 450+ |
| Compliance | SOC 2 Type II, ISO 27001, HIPAA-ready region, GDPR | SOC 2 Type II, FedRAMP Moderate Authorized, ISO 27001, GDPR, HIPAA, PCI DSS 4.0.1, CCPA |
| Support | Community support via GitHub, In-app support, Private Slack or MS Teams channel on Pro and Enterprise plans, Named lead support engineer on Enterprise plans | Standard support (8x5), Enterprise support (P1 24/7), Premium support with a named Technical Account Manager |
| Founded | — | 2010 |
| Headquarters | — | Redwood City, California |
| Employees | — | 501–1,000 |
| Funding | Seed · $4M raised | IPO (NASDAQ: SUMO) |
| Best for | Engineering teams building LLM applications and AI agents that want open-source, self-hostable tracing and evaluation | Small-to-medium DevOps and SecOps teams (Essentials) and maturing security teams (Enterprise Suite) |
Plans side by side
Pros and cons
Themes from the AI answers that mention each brand
Langfuse
- Discounted cloud pricing for qualifying early-stage startups
- Well suited to evaluating and debugging LLM or agent behavior
Sumo Logic
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Langfuse vs Sumo Logic”, https://slateindex.ai/compare/langfuse-vs-sumo-logic, data of Nov 3, 2026. Licence: CC BY 4.0.